United States

California

California is a large Pacific coast region where scuba diving spans kelp forests, rocky reefs, and occasional deeper drop-offs reached by boat. Conditions vary significantly by shoreline exposure, season, and water clarity: many sites are cold-water and can be greenish with strong currents at times, while protected bays often offer calmer surface conditions. Divers typically plan around local visibility and surge, especially when entering from rocky points. Commonly seen life includes kelp-associated invertebrates, rockfish, and schools of smaller fish, with seasonal variation. With a wide range of access points across the state, California also suits divers looking for both recreational training dives and more advanced profiles where currents and depth increase.

Essential information for traveling in United States

About United States

Sea
The Coastal Waters of Southeast Alaska and Brit...
Timezone
America/Los_Angeles
Languages
EN
Demonym
American
Phone prefix
+1

Practicalities

Currency
USD
Plug type
Type A, Type B
Airports
MIA FLL MCO LAX SFO

Diving specifics

Temperature
°C
Depth units
meters
Pressure
bar
Regulators
DIN Yoke (INT)

Top scuba diving cities in the region of California

Sorted by popularity

Dive sites and dive centers around California

The cities

The best time to dive in California

The best months to dive in California are from July to September. Temperatures are confortable (20-22°C), currents are mild and the visibility is at its best.

Excellent Good Fair Mitigated
01 - Jan.
13 °C 14 °C 9/10
02 - Feb.
15 °C 15 °C 8/10
03 - Mar.
14 °C 15 °C 8/10
04 - Apr.
15 °C 16 °C 9/10
05 - May
18 °C 18 °C 9/10
06 - Jun.
19 °C 20 °C 9/10
07 - Jul.
20 °C 21 °C 9/10
08 - Aug.
22 °C 22 °C 9/10
09 - Sept.
22 °C 22 °C 8/10
10 - Oct.
19 °C 18 °C 8/10
11 - Nov.
16 °C 18 °C 7/10
12 - Dec.
15 °C 17 °C 9/10

Based on last year's weather. Scores compare months for this destination only and are indicative. A mitigated month may still suit many divers.

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